In order to get this trophy you need to have owned all the hunter tools in the game. The Hunter's Tools are very similar to spells in the dark souls series. All tools and where to get them are listed below.
Beast Roar: In a house near the hound cages in the Forbidden Woods.
Empty Phantasm Shell: In a chest close to the entrance of the lunarium in Byrgenwerth.
Executioner's Gloves: Forsaken Castle Cainhurst library.
Old Hunter Bone: Found near a tombstone in the Old Abandoned Workshop.
Tiny Tonitrus: Yahar'gul, Unseen Village, Chapel Lantern.
Choir Bell: Mergo's Loft Middle.
Augur of Ebrietas: Lecture building 1st floor, found in a chest on the right side of the building.
Messenger's Gift: Nightmare frontier,
A Call Beyond: Upper Cathedral Ward, after you defeat the Celestial Emissary.